promissory note vs note of hand

promissory note and note of hand both are nouns.

Word	Noun	Adjective	Verb	Adverb
promissory note	Yes	No	No	No
note of hand	Yes	No	No	No

As nouns, promissory note and note of hand are synonyms defined as:

promissory note and note of hand: a promise to pay a specified amount on demand or at a certain time

Other synonyms of promissory note include note.

promissory note (noun)	note of hand (noun)
a promise to pay a specified amount on demand or at a certain time	a promise to pay a specified amount on demand or at a certain time